The article is saying that typing the speaker's words verbatim is exactly what most people do when taking notes on a laptop, even when they are explicitly warned that it's a bad idea, whereas it's generally not possible to do so when writing notes, without some kind of shorthand.
In any case, that's not the point: regardless of what text you decide to record in your notes, it's faster to do so by typing it than writing it for most people. That means that if you switch from writing to typing your notes but continue taking notes in the same style, you should in theory have more time to figure out what to write without falling behind the speaker or needing to rush your typing.
In any case, that's not the point: regardless of what text you decide to record in your notes, it's faster to do so by typing it than writing it for most people. That means that if you switch from writing to typing your notes but continue taking notes in the same style, you should in theory have more time to figure out what to write without falling behind the speaker or needing to rush your typing.